What's the Matter?
What are the 3 states of matter?
Answer: solid, liquid, and gas
What is the definition of a gas?
Answer: A gas does not have a definite shape or volume and it spreads to fill a space.
What is energy?
(a) the ability to change size
(b) the ability to do work or change something
(c) the ability to change temperature
(d) a push or pull
Answer: (b) the ability to do work or change something
What is force?
Answer: a push or pull
What are characteristics of matter we observe using our 5 senses called?
(a) condensation
(b) boiling point
(c) physical properties
(d) states of matter
Answer: (c) physical properties
What is the definition of a solid?
Answer: A solid has a definite shape and volume.
True or False: Energy can be created or destroyed.
Answer: False
Objects need a _______ to move.
(a) motion
(b) observation
(c) solid
(d) force
Answer: (d) force
Identify 3 properties of an apple.
Possible Answers: red, green, round, smooth, sweet
What is the definition of a liquid?
Answer: A liquid has a definite volume and takes the shape of its container.
What is kinetic energy?
Answer: energy that is in motion or being used
A _____ and _____ makes things move.
(a) sink and float
(b) push and pull
(c) north and south
(d) grab and get
Answer: (b) push and pull
Explain what needs to happen for a solid to turn into a liquid?
Answer: Heat needs to be added to the solid.
What is the difference between a mixture and a solution.
Answer: A mixture is a combination of two or more substances where each substance retains its own properties.
A solution is a type mixture where one substance is completely dissolved in another substance. You cannot see the individual substances that make up the mixture.
Bonus (+300): Give an example of a mixture and a solution
What is potential energy?
Answer: energy that is stored and waiting to work.
When something moves it is in _______.
Answer: motion
Explain what needs to happen for a liquid to turn into a solid?
Answer: Heat needs to be removed from the solid.
In one group of items there is a steel marble, iron fillings, and a refrigerator door. Using what you know about their physical properties, identify another object that could be added to the group.
Answer: You could add a sword because like the other items it is silver, made of metal, and magnetic.
In your own words, describe energy transfer.
Answer: energy transfer is when energy moves from one object to another.
Bonus (+300): Provide an example of energy transfer.
Think about a soccer ball sitting still on the ground. Explain what needs to happen to make the ball move and what forces are involved. Then, describe what might cause the ball to slow down and stop. Use what you know about energy, force, and motion to explain your answer.
Possible answer: The force of someone kicking the ball causes it to move. The energy from the person's body is transferred to the ball and now it is in motion. The person's kick is a force (push) that moved the ball. The friction of the grass will cause the ball to slow down.